To provide a sound insulation panel for an automobile, that is suitable for reducing the weight of the sound insulation panel, expanding the frequency band which can insulate sound, and improving the sound insulation performance, as well as, that is suitable for performing the design so as to set in accordance with the design value, the frequency band that can insulate sounds.SOLUTION: A sound insulation panel S1 for an automobile comprises: a sound absorbing panel material P1 forming a sound absorbing layer 1; a surface panel material P2 forming a surface layer 2 on the sound absorbing layer; and a plurality of elastic bodies E forming an elastic layer 3 between the sound absorbing layer and the surface layer. The sound absorbing panel material comprises: accommodating space portions 4 opened toward the surface panel material. A portion in a range facing an opening of the accommodating space in the surface panel material functions as a first vibrating film 5. Each elastic body E has a recess 6 arranged in the accommodating space, and a bottom of the recess functions as a second vibrating film 7. A part of or the whole of a side wall of the recess is configured to be provided with a reinforcing part RF so as to have higher rigidity compared to the bottom of the recess.SELECTED DRAWING: Figure 1

    【課題】遮音パネルの軽量化、遮音可能な周波数帯の拡張、遮音性能の向上を図るのに好適で、かつ、遮音可能な周波数帯をその設計値どおりに正確に設定するのに好適な自動車用遮音パネルを提供する。【解決手段】自動車用遮音パネルS1は、吸音層1を形成する吸音パネル材P1と、吸音層上に表面層2を形成する表面パネル材P2と、吸音層と表面層との間に弾性層3を形成する弾性体Eと、を備え、吸音パネル材は、表面パネル材に向って開口した収容空間部4を有し、表面パネル材は、収容空間部の開口と対向する範囲が第1の振動膜5として機能し、弾性体Eは、収容空間部内に配置される凹部6を有し、凹部の底は、第2の振動膜7として機能し、凹部の側壁は、その一部又は全部に補強部RFが設けられることで、該凹部の底に比べて高剛性となるように設定されている。【選択図】図1


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    SOUND INSULATION PANEL FOR AUTOMOBILE


    Weitere Titelangaben:

    自動車用遮音パネル


    Beteiligte:
    FUKUMOTO ICHIRO (Autor:in) / ITO NAOFUMI (Autor:in) / NAKANO MITSUAKI (Autor:in)

    Erscheinungsdatum :

    2021-09-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



    AUTOMOBILE SOUND INSULATION PANEL

    FUKUMOTO ICHIRO / ITO TAKAFUMI | Europäisches Patentamt | 2021

    Freier Zugriff

    AUTOMOBILE SOUND INSULATION PANEL

    FUKUMOTO ICHIRO / ITO TAKAFUMI | Europäisches Patentamt | 2020

    Freier Zugriff

    Automobile sound insulation panel

    FUKUMOTO ICHIRO / ITO TAKAFUMI | Europäisches Patentamt | 2023

    Freier Zugriff

    AUTOMOBILE SOUND INSULATION PANEL

    FUKUMOTO ICHIRO / ITO TAKAFUMI | Europäisches Patentamt | 2024

    Freier Zugriff

    SOUND INSULATION PANEL FOR AUTOMOBILE

    FUKUMOTO ICHIRO / ITO NAOFUMI / NAKANO MITSUAKI | Europäisches Patentamt | 2021

    Freier Zugriff